Oops, it doesn't look like 'sled dog sled dog sled dog day' is a national day..

Other days

law

Law Day

promposal

Promposal Day

boy friend

Boy Friend Day

martini

Martini Day

polyamory

Polyamory Day

eat what you want

Eat What You Want Day

aloxolt

Aloxolt Day

fiancee

Fiancee Day

Emoji Day

cuddle up

Cuddle Up Day